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OPERATORS
MANUAL

494/494P

SPECTRUM

PartNo.
Product

070-4418-00

Group

26

ANALYZER

i

First
Revised

Printing

NOV

OCT

1986

1983

Please
CHANGE

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INFORMATION

Rear

of

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Manual

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I-ELLEN

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PREFACE

494/494P

Operators

This

manualisone

TEKTRONIX
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the user

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manual

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terminology

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symbols

description.GPIS

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explain

measurements

in

separate

Conventions

is in

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ANSIY1.1-1972, with

in

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to

IEEE 488-1978

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the

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494/494P

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PREFACE

LIST
LIST

OPERATORS

SERVICE

Section

Section

Section

Section

. .

OF

ILLUSTRATIONS

OF

TABLES

SAFETY

1

GENERAL

2

SPECIFICATION

Electrical

3

INSTALLATION
FOR

4

CONTROLS,
INDICATORS

Un-Nomenclated
Pushbutton

TABLE

. ... . . . . . .

. . . . . ... . . ... ... . . . . . .

SAFETY

SUMMARY

Product
Options

Configuration

Options
Accessories

Firmware
Readout

Introduction

USE

Introduction
Unpacking

Power
Requirements

Repackaging
Storage..

Introduction

Shift

Functions

Instrument

Crt

Controls..
Sweep
Display

General

494P

(GPIB)
Front-Panel
Rear-Panel

Operational
Service

. . ... . ... . ... . . .

. ... . ... . . ... . _ .

SUMMARY

. ... . ... . . . . . ... .

INFORMATION
Overview

for

Power

. ...

. . . . ... . ... . ... . ... . ...

. . . . . ... . . . . ... . .

Version

. . ...

... . . . . . ... . ...

. . .

. . ...

Characteristics.. .

AND

. . . .

and

Initial

Source

or

Parameters

Purpose

Related

and

. . . ... . ... . . . . . .

for

Shipment

. ... . . . ...

CONNECTORS,

. . . . ... .

of

Power

.

. ... .

Scan

. . ... ... . ... . ...

Pushbuttons

Controls

Input/Output

Input/Output

Front

Functions

Functions..

Functions

OF

Page

. . ...

. .

.

.

.

. . .

.

... . .

.

. ... . ... . ... . .

Cord

. . . . . . ... . ... .

and

Error

. ...

.

PREPARATION

. . ... . . ... . . . . ..3-1

Inspection

Power

. .

. . . . . .

AND

... . . . . . .

the

Pushbuttons

Control

.

... . ... .

. . . . . . . ... .

... . ... . . . . ..4-3

. . . ... . . . . .

Connectors

Connectors

Panel

. . . . . . . . ... . .

. . . .

.

. . . . ...

,

. . .

.

.

Message

.

. . . . . ...

. . . ... .

. .

.

.

. . ...

.

. . . .

,

.

. . . .

. ....4-12

. .

.

.

.

.

.

4-12

4-12

1-1

1-1
1-1

1-1

1-3

2-1

2-1

3-1

3-1

3-2
3-3

4-1

4-1
4-1
4-2

4-2

4-9
4-9

4-10
4-10

CONTENTS

i

Section

iv
iv

v

vii

Section

6

5

TURN-ON
OPERATIONAL

Firmware

Readout.. . ... . ... . .

Firmware
Error

Turn
Use

FunctionalorOperational

Equipment
Preliminary

2.Check

3.Check

4.Check

5.Check

6.Check

7

8.Check
9

10.GPIB

GENERAL

Firmware
Readout
Using
Crt

Intensity
Signal

Resolution
Span,
Using

AUTO

Using

Using
Time

PROCEDURE

Version

Version

Message

On

Procedure

. . .

.

. . . . . . . . . . . . . . . ... . . .

1.Initial
2

.

1.Check

.

.

Light

Turn

Calibrate
Reference

Range

Pushbuttons

Resolution

Linearity.. . . ... .

and

RF
Check

Check
Stability

the

Domain

.

Required.. . . ... .

Preparation

OperationofFront Panel

Gain

Counter
Span

Resolution

Shape

Reference

Attenuator

Sensitivity..

Residual
Frequency

Verification

OPERATING

Version

. . . .

the

Help

Filters

Level

Application

Bandwidth,

and

Sweep

the

MANUAL

PEAK

the Signal

Video

AND

CHECK

and

Error

Message

.

. . ...

. . . . ...

. . . . . . . ... . . . .

Readout

and

On

Center

Level,

.

. . . . . . . ... . . . . ... .

and

Variation

Bandwidths

Accuracy

Factor

. ... . .

and

. . . . . . . . . . ... . .

Feature

... . . . . . . . . . . . ..6-1

and

Time

Mode

Identifier

Filters

Operation

. . . . . .

Preparation

. . . . . ... ... . .

Frequency,

and

Dynamic

Check..

.

. . . .

. ... . .

Controls

Between

. . ... . .

Accuracy..

and

. . . . . . . . . . .

Bandwidth

. ... . . . . . . .

Level

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Steps

. ...

. . . . .

. . . ... . . . .

FM

. . . . ... . . .

Drift

or

.

. . ..... . . ...

Program

PROCEDURE

Error

. . . . . . . . ..6-1

Beam
.

. . ... . . . . . . . .

Frequency

. . ... . . ...

PEAK

. .

.

. . . ... ... .

...

.

Message

Alignment

Control

. . . . . . . .

. . . . ...

. . . . ... ..6-5

Page

5-1

.

5-1

. , .

.

5-1

for

. . .

5-1

.

5-1

5-2

. ...

5-3

. . ..5-3

5-3

... .

5-3

5-9

. ..5-10

5-10

5-10

and

5-10
5-11

5-13

5-14
5-14

. .

.

. ..6-1

6-1
6-1

6-2

or

6-3
6-3
6-4

REV

MAY

1984

4941494P

Operators

Section

6

TABLE

GENERAL
(cant)

Triggering
Sweeping
Manual Scan

Reference
Vertical
JA

Using

Mode.. . . . . . . ... . . ... ... . . . . .

Digital
Store/Recall

Using
Using
Feature..
Un-Nomenclated

Pushbutton
External
Reference

Conversion

Handling.. . . . ... .

Installation..

Operation

494P
Connectors

GPIB
RESET

ADDRESSED
PLOT..
Setting
Switches

Talk/Listen-Only
TALK

Switches

Data
Restoring
Display

OPERATING

the

Display

the

Display

the

of

Level,RFAttenuation,

Display

Mode

Min

Storage

the

Counter

the

Automatic

Mixers

GPIB

Controls,

.

Function

TO

. ... ..... . . . . . . . . ... .

the

ONLY,

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Control

. . ... ... . . . . . . . . . . ... ..6-15

.

. .....

. ... ... ..... ... ... . . .

Noise or

. ... . . . . . ... . . . . .

Feature

. ...

. . . ... ... ... . . . .

Front

Functions

and

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Loss

for

. . . . . . . ... . . . . ... .

. ... . ..... .

.

. ... ..... . . . ... . . ...

Readout

LOCAL

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ADDRESS

. . . . ... . . ... ... . . . . . .

Operation

LISTEN

. . . . . . . ... . . . . . ..... .

. . ..... . . . . . .

Settings

OF

PROCEDURE

. . . . . . . . . ..6-5

. . . . . . . . . ..6-5 Operational

Spectrum

. . . ... . . .

Min

Distortion

. ... ... . . . . .

. ... ... ... . ...

Calibration

Panel

. ... . . ... . .

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and

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. ... ... . . . . ..6-10

...

Indicators,

.

. . . . .

(REMOTE)

. ... ...

. .

. . . . . ..6-13

ONLY

and

. . ..6-5

. . . .

Mixers

.

. . . . . .

and

, ...

... . .

. . .,.

the

CONTENTS

Page

Section

and

6-6
6-6

...

6-6
6-7

6-8
6-8

6-8

6-8

.

6-9

6-9

6-10
6-11

6-11
6-11

6-11
6-12

.

6-12

6-13

6-13
6-14

Section

Appendix

(cont)

6

GENERAL,
{cont)

Connectingtoa

494/494P

Service
Product

7

OPTIONS

Option08. . . . . . . . . . . . ... . . ... . . . .

Option

Option13. ... . . . . . . . . ... . . . . . . . . .

Option14. ... . . ... ... . ..... . . . . . .

Option20. ... . . ... ... . ..... . . . . . .

Option

Option22. . . . . . ... ...

Options
(Rackmount/Benchtop

Option30. . ..... ... ... ... . . . . . . . .

Option31. . ..... . . ... . ... . . . . . . . .

Option32.
Options

Characteristics

Safety
Accessories

Option41... ..... ... . . ...

Option52. . . ..... ... . ... . . . . . ... .

A

GLOSSARY
General
Terms

Terms
Terms
Spectrum

OPERATING

Precautions

. ... . . . . . ... ... . . . . . . . . .

Manual

Service

12

. ... . . . . . . . . ... . . . . . . . . .

21

. ... . . ... ... . ..... . . . . . .

30,

31,

and

. ... . . . . . . . . ... . . . . . . . .

31,

30,

and

. . . . . . . ..... .

Requirements

. . . . . . . . . ... . . . ... .

Terms

RelatedtoFrequency.... . .

RelatedtoAmplitude.... . .

Related

Analyzers.. ... ..... . .

PROCEDURE

System

. . . . . ...

. ... . ..... . . . . . .

32

32

. . . . . . ... ... .

to

Digital

. . ... ... .

for

the

. . . . . . . . .

. ..... . . . . . .

Versions)

Environmental

. . ...

Storage

. . . ...

. . . . . .

.

. . . . . .

. . . . ... .

. . . . .

for

Page

6-16

6-16
6-17

6-17

7-2
7-2
7-2
7-2

7-2
7-3
7-3

7-4
7-4

7-4
7-4

7-4
7-6
7-6

7-6
7-6

A-1
A-1

A-2

A-3





494/494P

Fig

.

No

.

2-1
2-2

3-1

4-1

4-2
5-1
5-2

5-3
5-4

5-5

5-6

6-1

6-2

Operators

494/494P

Probe

Dimensions
International

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connectors
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response.. .

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ILLUSTRATIONS

Page

..2-12

. .

.

6-3

No

viii

2-14

3-2

4-2 6-6
4-11

5-1

5-2

5-6

5-14

6-3

6-4

6-5

6-7

6-8

6-9
6-10

6-11
6-12

6-13

6-14

7-1

Fig

.

.

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d6m,

included
Typical
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Diagram

installation.. . . . . ... . ... ... . . ... . .

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TEKTRONIX

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to

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Table
No

1-1
1-2

2-1
2-2

2-3
2-4

2-5
2-6

2-7

2-8
2-9

2-10

iv

.

Standard

Tektronix

Mixers

Frequency
IF

Number

Amplitude

Sensitivity..
Input

Output
General
Power

Environmental
Physical

Accessories.. . . . . . . . . . . . ... .

High

. . .

.

Related

Frequency,

(N)..

Related

Signal

Characteristics

Signal

Characteristics

Requirements

Characteristics

Performance

. . . . . . . . . . .

Characteristics

LO

Range,

. . . . . ...

Characteristics

. ... . ...

Characteristics....

Characteristics

Waveguide

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.

and

. . . ... . . . .

. . . ... . . . . . . . .

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. ....... . . . . .

. . . . ... ... .,.

. . . . . ... . . .

LIST

... ... . . . .

. ... . ..2-1

Harmonic

.

. . . .

. . . . . ... . ..2-9

. .

. ... ... . . ..2-12

OF

Page

... . .

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.

.

. .

...

.

. .

. ... .

. . ..2-14

1-2

1-2

2-5 7-2

2-8

2-10
2-11

2-12 7-6

TABLES

Table
No

.

2-11

3-1
5-1

7-1

7-3
7-4

7-5

494/494P
Requirement

Shipping
494/494P
Power

Option
Mixers)

Option21(WM
Option22(WM

Options
Characteristics

Options

Characteristics.. . ... . . . ... .

Safety

Carton

Sensitivity

Cord

20

(General

Characteristics

30, 31,

30, 31,

Standard

Conformance

Test

Options

Purpose

490-2)
490-3)

&32Environmental

. . ... ... _

&32Physical

and

Regulatory

. . . . . . . .

Strength

. . . . . . . . . . ... . ... .

. .

.

. . . . ... . ... . . . .

Waveguide

. .

... . . . . . ... . . .

Characteristics
Characteristics

. . . . .

... . .

. . . . . ... ..3-3

.

. . .

. . ..7-3

. . . . ....7-5

... . ... .

. .

Page

2-15

5-13
7-1

7-2
7-3

7-5

494(494P

Operators

The

informationinthis
operating
cautions

apply,

willbefound

but

CONFORMANCE

494/494P

The

Standards

Safety

Safety

CSA--Electrical

FM-Electrical

ANSI
and
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IEC
Electronic

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High

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personnel

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only
rating
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fuse

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detailed

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the

avoid

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replacementtoqualified

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.

cord

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.

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fire

the

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hazard or

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cord

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connector

type,
Replaceable

manual)

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changes

damage

voltage

service

good

condition

cords

to

qualified

to

the equipment,

rating,

E=lectrical

for

your

personnel,

and

connectors,

and

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product

.

service

current

list

.

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use

in

OPERATIONAL

Do

Not

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To prevent

an

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tified

for

such

Do

Not

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To

avoid personal

ersorpanels
ers

and

panels

in

Explosive

explosion,donot

an

atmosphere

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.Donot operate

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PRECAUTIONS

Atmosphere

operate

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the product without the

.

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product

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494/494P

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tions

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while

SERVICE

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alsotothe

serviceoradjustment

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.

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touch

ison.

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pointsinthis

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preceding

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first

aid

prod-

connec-

power

SUMMARY

PERSONNEL

Operators

before

components

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that

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conductorsorbetween
A

protective

torinthe

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removing

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product

not

apply

ground

power

protective

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intendedtooperate

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cord,isessential for

ONLY

Summary

panels,

than

250

either

supply

connection,

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fromapower

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rms

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via

the

safe

between

grounding

the

and ground

conduc-

operation

source
supply

.

.

494/494P

Operators

Viii

4941494P

Spectrum

Analyzer

.

Section

1-4941494P

Operators

Product

high

Microcomputer

hances
quency

ability,
storage
settings
scribes

along

The

nal mixer,
guide

withaminimum
resolution
racy

tions
to

compare

addition to
nine

be

storedinnon-volatile
ditional
panel

Center
panel

keyboard.When
alter
lected.Other

ence
previously

Counter

In

time

quency

After
time.Display

ence

selectable

(amplitude)

the
spondtothe

tion
is-121

21

GHz

Overview

494 and

The

performance,

operation.Its

accuracy

precise

display,

and

function of

with

messages

frequency

and

mixers.A

thatiscommensurate

Digital

.

such as

separate

analysis

control

frequency

tuning

the

Span/Div

level,

may

accuracyto1

addition,
for

stable

driftisless

one

hour,itis

level

steps

mode.When

Data

Entry

in

Section6).

dBm

.

control

amplitude

displays,

upto325

storage provides

SAVE

and

subtract

the

conventional

displays

setups

knob

parameters,

alsobekeyboard

available

the

operation

dynamic

readout

from1to15dB,

keyboard,

display

to7.1

GENERAL

the

494P

programmable

compact,

and

non-volatile

the

that

range

minimum

spanof50

A,B-SAVE

and

comparison.Uptoten

can

may

or

using the

setting

only

494/494P

than

less

range

from

mode

Sensitivityat30

portable

most

of

main

stability,

and

front

is

displays,

with

memory,

directly

Hz

500

the

GHz,

functions

features

measurement

memory

crt

message

panel

explain

10

kHz

GHz

when

resolution

Hzldlv,

flicker

digital

their

alsobestored

be

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selected

keyboard,itis
regardlessofthe

suchasvertical

under

resolutionisavailable

requires

.In15

Hz

per minuteofsweep

than

50 Hz
80

is

-117

vertical

the

reference

(see

General

decreasing

instruments are

spectrum

simplifies

are;synthesizer

precision

controls

operating

to 21

provides

with

free
MAX

A,

save

storage

parameter
then

selected

GPIB

minutes

dB,

dBm

and0.25

displayisselected

Hz

signal

capability,

retain

to

readout

and

errors

GHz

with

using

external

bandwidth

measurement

the

frequency

displays

HOLD

maximum

feature,upto

readouts,

later

recalled

different

for

future

by the

not

necessary

frequency

display

with

program

onlyashort

or less

per

minute

with

calibrated

to

A-30

foradelta

dB

level

steps

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resolution

to-96

analyzers

and

counting

front

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selectors
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the

of30Hz,

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with

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control

.

warm-up

the

sweep

of

dBm,

informa-

bandwidth

dBm

INFORMATION

The

494P

featuresofthe

those

intended

tobeused

operation

rackmount

Analyzeristhe
inastandard

cabling

1st

provides

rear

benchtop

feetonthe

benchtop

cooling.This

applying

For

approved

are

listed

.

for

of

.

such

1-2

the

operated

LO,

panel

the

as

en-

fre-

digital

panel

de-

inter-

wave-

accu-

func-

which

.

In

can

ad-

front-

.

front-

Entry

to

se-

refer-

fre-

time

refer-

in
A

with

corre-

at

instrument
cept

.

be remotely
the

494P

lers.This
mers manual

The
Spectrum
to

mount

semi-rigid
INPUT,
This
cabinet

The

rackmount

the

els

and

and

ditional

before

Options

Tektronix

tionally
These

manual

Options

.

Options

section
versions

.

Accessories

Standard

are

listedinTable

sories
etc.Table

available.Standard
listedinVolume2of

Replaceable
suchascables

throughout

adds

remote

for

local

through

with

describedindetailin-

is

.

version

from

the

2nd

L0,

access

version cabinet

cabinets

Power

has

the

accessories

;

Mechanical

manual

to

.

version

bottom

includealarger

fan

powertothe

Cord

implemented

power

illustratedinthe

and

494/494P

manuals

1-1,Inaddition
waveguide
lists

Tektronix

accessories,

the

adapters

and

andinthe

control

494.The

a

instrument

19-inch

etc.)to

all

(Option

must

capabilitytothe

front-paned controls

use,

suchasINTENSITY)

the

GPIB

varietyofsystems

(Option 30)

inacabinet

rack.Option

panel

front

the

front-panel

32)isthe

with

the

the

cabinet.Both

of

be

installed

instrument

Configuration

options

cord

and

Options

describedinthe

are

including

that

come

with

there

mixer

sets,

Tracking Generators,

waveguide

with part

service

Parts

instructions,

list.Optional

are

listed,

Tektronix

standard

(ex-

can

which

port,

the

of

connectors(e.g.,RP

back

of

connectors

494or494P

addition

(external)

and

.

that

provide

plug

configurations

sectionofthis

mountlbenchtop

rack

each

are

optional

mixers

numbers,

where

catalog

allows

and

control-

the

Program-

494/494P

designed

31

includes

the

cabinet

via

of side

following

accessories

appropriate,

pan-

rackmount

fan

for

operating

interna-

Options

instrument

acces-

that

.

are
are
the

.

the

in

ad-

.

REV

MAR

1984

General

50

ohm

50

ohm

Adapter,
Fuses,

Power
Cord
Crt

light

Crt

light

Crt

mesh

Diplexer

Adapter,
Cable,
Visor,
Manual,

Manual,

Manual,
Manual,

Manual,

GPIB

Information-494/494P

coaxial

Coax

4

cable,nto

cable,

n

maletobnc

A

fasta

cord

clamp

filter,

amber

filter,

grey

filter

Assembly

tnc

semi-rigid

to

,

sma

coaxial

crt

Operators
Operators
Service,

Service,

Volume

Volume

Programmers

interconnect

cable

bnctobnc

female

Handbook

1

2

(494P

(494P

n

connector,

connector,

only)

only)

Operators

72

­18"

STANDARD

Table

ACCESSORIES

1-1

Front

Cover

Front

Cover

Front

Cover

Front

Cover

Front

Cover

Front

Cover

Front

CoverorDrawer

Front

Cover

Front

Cover

Front

Cover

Part of

Diplexer
PartofDiplexer
Front

Cover

or

Front

Cover

or

Not

applicable

Not

applicable

Not

applicable

Not

applicable

Not

applicable

or
or

or
or

or
or

or

or
or

Drawer
Drawer

Drawer

Drawer
Drawer

Drawer

Drawer
Drawer

Drawer

Assy

Assy
Drawer
Drawer

"The

are

charged

slow
4

Deleted

power

brow

.

for

cord

to

Option

and

2A

fuses

slow

blow

08

instruments

WM
WM490A

WM
WM

WM
WM

WM

WM
WM490G

G-J

are

replaced

.

Option

52

.

TEKTRONIX

Nomenclature

490K

490U
490V
490E

490W
490F

490D

Band

flange

with

an

(North

appropriate

American

HIGH

transistion

power

Configuration

Table

PERFORMANCE

cord

1-2

for

the

for

220Vwith

WAVEGUIDE

power

cord

option

standard

MIXERS

Frequency

18

26.5to
33to60

50to75
60

75to110
90to140

110
140to220

220

(Al,

power

to

26.5GHz
40

to90GHz

to

170

to

325

A2, A3, A4,
cord)

replaces

Range

GHz
GHz
GHz

GHz
GHz

GHz

GHz

GHz

A5)

and

fuses

the

with

fuses

2A

General

Information-494/494P

Operators

Firmware

This

firmware
initial

power-up

screen
Electrical

the

ware

for

ROM's

version

Version

featureofthe

version

Parts

when

cycle,

approximately

list

section,

and

their

.

and

Error

494/494P

the

power

the

two
under

Tektronix

Message

provides

on/offiscycled.During

firmware

seconds.The

Memory

part

number

Readout

readoutofthe

version

Board

flashes

Replaceable

(A54),

for

each

on

lists

firm-

An

additional

microcomputer
error

message

the

error(i.e.,failedtocomplete

featureiserror

failstocomplete

will

flash

on screen

message

any

routineorfunction,

explaining

phase

lock)

readout

the

.

.

If

nature

the

an

of

Introduction

This

section

safety

and

characteristics

includes

electrical,

of this

SPECIFICATION

physical,
instrument.Changes

environmental,

to

specification,

this
section

.

Section

duetooptions are

2-49414194P

listedinthe

Operators

Options

following

The
tures

applytothe

30-minute
quirement

tive
explains

mance
sideredtobe
supportedbya

to

verify

formance

Center
mixer)

Accuracy

has

been

Bands1&

X200

Span/Div>100

Bands
`200

SpanlDiv~_10

warmup,
cofumn

terms

performance

information.Statementsinthis

performance

sectionofthe

Frequency

(after

performed)

kHz,

1&5-12

kHz

tablesofelectrical

494/494P

exceptasnoted.The

defines

in

and

guaranteed

performance

Characteristic

Range

the

front

5-12

with

and

Bands
kHz

with

and

bands

0kHz

some

limit

form.The

requirements

performance

requirements

service

(internal

panel

Span/Div

2-4,

SpanIDiv

2-4

ELECTRICAL

characteristics

Spectrum

characteristics

Supplemental

check

procedure.Procedures

are

manual

CAL

with

with

Analyzer
Performance

or

provides

column

and

are

provided

.

FREQUENCY

[(20%

Bandwidth,

(CFXref

"

x(20%

Bandwidth,

(CFXref

CHARACTERISTICS

and

fea-

after

a

Re-

in

quantita-

column

perfor-

are

not

con-

not

ordinarily

in

the

Per-

Table

RELATED

Performance Requirement

of

Span/Div

whichever

freq

error)+(N

of

Span/Div

whicheverisgreater)

freq

error)i(2N +

The

bration
the

instrument
specified.An
does

tise,isprovidedinthe
incoming

the

capabilitiesofthe

2-1

CHARACTERISTICS

or

is

greater)

X

or

instrument

check

not

require

inspections

Resoln

;

15 kHz)] ofN.

Resoln

;

25)Hz

microprocessor

time

each

frequency

operation

external

10

kHz

panel
keyboard

Accuracy
functionofthe
center

(covered
and

during
canbesignificant
after
temperature.

Referto"IF
Harmonic

-+-

spans
When

withinaband,asettling
changeincenter
shouldbeallowed

The

f

spans

performsaninternal

poweristurnedonand

and

amplitude

or functional

test

operators

and

help

instrument

Supplemental

to21GHz.Tuned

knob

.

of

frequencyisset

by

the

amount

a

sweep.Center

turn-on,orafterachangeinambient

Number"

The

.

the

center

1st

LO

check

equipmentortechnical

instructionstosatisfy

familiarize

.

Information

or

front

panel

the

center

accuracy

CF

accuracy

of

center

during

Frequency,

specification

1st

LO

is

unlocked

frequencyischanged

frequency,

.

is

phase

verifies

performanceisas

procedure,

the

operator

by

frequency

do

between

specification),

frequency

frequency

the

LO

timeof1

divided

locked

which

exper-

most

the

front

Data

Entry

is

which

sweeps

drift

first30min

Range,

for

value

in

these

s/GHz

by N

in

these

cali-

that

with

a

the

drift

.

and

REV

MAR

1984

Specification-494/494P

Operators

Table

2-1 (cont)

Drift

CF
temperature

After30minute

After1hour

Signal

Reference

(constant

Bands1&
X200

kHz,

Span/Div
Bands1&

--200

kHz

Span/Div--100

Bands1&

X200

kHz

Span/Div
Bands

1

&

_200

kHz

Span/Div
Readout

Sensitivity

Readout

Aging

Accuracy
(ambient)

power

Resolution

Counter

Resolution

Frequency

Rate

on

Characteristic

ambient

and

fixed

center

warmup

5-12

and

>

100

5-12
Bands

warmup

5-12

and

X100

5-12

and

--

100

Accuracy

during
and30minutes

with

Bands
kHz

with

2-4

kHz

:

with

Bands

kHz

with

Bands

kHz

Error

warmup

:

Span/Div

Span/Div

Span/Div

Span/Div

2-4

with

2-4

2-4

at

after

frequncy)

with

with

with

25°C

Performance Requirement

--50Hzper

+[(Counter

reference
LSD]

Signal

20
noise

Reference

dB

level

or

level

minuteofsweep

frequency

error)+(10+2N)Hz

at

center

more

above

and

within

Level

X

screen

the

60

dB

time

frequency

+

must

average

of

the

Since

the center

before
observedisduring

--(25

kHz)N

X150

Hz

_(5

kHz)Nper minuteofsweep

At

least

1

1

Hz

through1GHz,

COUNT

1X10-7

than

1

X10-7per year

Within

5X10eof

hours

Supplemental

frequency

each

sweep

sweep

per minute

per minuteofsweep

10%

of

Span/Div

RESOLN

for

first

control

six

the

frequency

Information

is

the

only

time,

of

sweep

time

selectable

months

then

corrected

error

time

time

with

less

after

24

Temperature

ResidualFM(short

warmup

:

Bands1&
X200

Span/Div
Bands1&

_200
Span/Div--100

kHz,

kHz

sensitivity

5-12

and

>

100

5-12

Bands

term)

with

bands
kHz

with

2-4

kHz

after1hour

Span/Div

2-4

with

Span/Div

with

--(7

kHz)N

--(10+2N)Hz

total

total

excursion

excursionin20

in

20

ms

ms

Within
operating

referen

cedto+25°C

2X10

range

-8

over

of

the

-151C

instrument

to

+550C,

Table

2-1

(cont)

Specification-494/494P

Operators

"Static"

down)

Shape

Noise

Video

Pulse
Frequency

Factor

Sidebands

Filter

N

arrow

Wide

Stretcher

Range-in

the

SPAN/DIV

significant
Entry

Characteristic

Resolution

(60

Falltime

Span/Div

a

1-2-5

digits

keyboard

Bandwidth(6dB

dBl6

dB)

sequence

control,orby

from

the

Data

two

with

Performance

30 Hz

then

100

steps

plusanAUTO

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the

selected

7.5:1
30 Hz

At

least-75

resolutionoffset(-70
resolution

bandwidthiswithin

bandwidth

or

less,

resolution

bandwidths

Hz

to

and

bandwidth

dBc

Requirement

MHz

1

position

.

15:1or less

at

30 times the

_100

in

decade

.

20%

.

dBcfor

Hz)

.

In
automatically

of

computer
setting

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selectors.When

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settoAUTO

the
settings

for

Reduces
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resolution
bandwidth

Reduces
approximately
resolution

bandwidth

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,s/div(±50%)

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Suppleme

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of

optimum

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4-5

.4-21

position

selected

whose

the

Display,

and

the

resolution

video

1/300

bandwidth
.

video

1/30

bandwidth

.

GHz)

ntal

Information

the

bandwidth

by an

output

SPAN/DIV,

depends

and

Video

the

RESOLUTION

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microcomputer

and

and

Narrow

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50

50

selectors

for

the

bandwidth

of

the

11100

bandwidth

of

the

11'10

Hz

Hz

internal

on

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selects

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selected

for30Hz

selected

for30Hz

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200

MHz

500

MHz

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the

are

to

to

Accuracy/Linearity

Within
over the

division

5%,

of

the

selected

center8divisionsofa

display

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(18-26

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(75-140

(110-325

Two

additional
(MAX
display

6

7-9

10

11-12

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.

GHz)

GHz)

GHz

GHz)

50

50Hz 2

50

50

po

sitions

displ

ayor0Hz(Zero

Hz

Hz

Hz

provide

1

5

10

full

GHz

GHz

GHz

GHz

band

Span)

Specification-49414941'

Operators

Table

2-1

(cont)

"Frequency

Coaxial

External
Performance

Response

(direct)

Input

Band

50

kHz-1.8GHz

10

kHz-1.8GHz

Band

1

.7-5.5GHz

Band

3

.0-7.1GHz

Band

5.4-18.0GHz
Band

15

.0-21.0GHz

Tektronix

Waveguide

Band

15

0-26

Band

26

.0-40.0GHz

1

2

3

4

5

High

6

GHz

7

Mixers

About

point
between

extremes

±1
±2.0

i 2.5dB

+2.5

-3.5dB

±5.0dB

±3.0dB

±3.0dB

the

mid-

(mean)

two

.5cIB

dB

dB

Referenced

to

100

MHz

+2.5dB

+3.0

dB

+3.5dB

".3.5dB

.

4

.5

dB

+ 6.5d

6.0d

B

-4-60

dB

Frequency

10dBofRFattenuation

timized
when
effectofinput
variation,

storage

4 0

.5p
greater
Rackmount/Benchtop

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variance

for

response

each

center

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frequency

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typically

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o

.

Display

than

frequency

and

increases

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data

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Options

.

measured

and

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mode

mixer

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section

with

op-

setting,

the

(N),

gain

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errors by

1

dB

.

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to

30,

for

B

Band

8

33

.0-60.0GHz

Band

9

50.0-90.0GHz
Band

10

75

.0-140.0GHz

Band

11

110-220

170-325

"Referto"VerificationofTolerance

Band

GHz

12

GHz

Limits"atthe

t3.0dB

beginning

of this

"6.0

dB

specification

.

Typically-3dB

GHz

5

bandwidth

over

Typically±3dBover
5

GHz

bandwidth

Typically±3dB
5

GHz

bandwidth

Typicallyi3dB
5

GHz

bandwidth

over

over

any

any

any

any

2-4

REV

MAR

1984

IF

Frequency,

LO

Table

Range,

2-2

and

Harmonic

Number

Specification-4941494P

(N)

Operators

Band

and

1

(0-1.8GHz)
2(1.7-5.5GHz)
3(3.0-7.1GHz)

4(5.4-18.0GHz)
5

(15-21
6

(18-26
7

(26-40
8

(33-60
9

(50-90

10

(75-140

(110--220

11
12

(170-325

Characteristic

Vertical

Display

Freq

GHz)
GHz)

GHz)
GHz)
GHz)

GHz)

Modes

GHz)
GHz)

Range

Table

AMPLITUDE

Performance Requirement

RELATED

2072-3872(1-) 2072
2529-6329(1--)

2171-6271(1+)
2072-6276

4309-6309
2655-4071

2443-3793
3792-5790
3195-5862

3170-6000
2917-5790
2998-5841

2-3
CHARACTERISTICS

10
between

the

Range

LO

Harmonic

(3-)
(3+)
(6+)

(10+)
(10

(15+)

(23+)
(37+)

(56-1

dBIDiv,

Data

and

(N)

+-)

)

Supplemental

2 dBIDiv,

1-15

dBIDiv

Entry

keyboard

1st

(MHz)

829
829
829

2072
2072
2072

2072
2072
2072
2072

2072

Information

and

linear.Any

can

alsobeselected with

.

IF

integer

Reference

Range

Steps

Level

(full

screen)

-117

dBm

10

dB

ofIFgain

maximum
rangeis20

safe

input

In

the 10

for

the

coarse
mode.In
coarse and

When

the dBIDivisset

keyboard,
display

the
for
toas4A

In
increments
sequence

mode

display

LIN

mode

mode.The

to

+40

dBm;+40

reduction,

safe

nVIDivto2

dBIDIV

the2dBIDIV

.25dBfor

0

the

isSdBIDivormore

modes

mode)

for

for

coarse

for

input

display

mode

coarse

FINE

of

.

the steps

FINE

.

log

mode,

and1dB

mode,

FINE

through

steps

4

dBIDivorless

areinequivalent1dB

andina

dBm

+30

.InLIN

mode

VIDiv,1W

steps are 10

steps

.

the

correspond

steps

are1dB

and0.25

1-2-5

dBm

for

are

Data

includes

is

the

mode,

maximum

the

FINE

1

dB

Entry

the

to

when

dBIDiv

(referred

VoltslDiv

dB

for

Specification-4941494P

Operators

Table

2-3

(cont)

Accuracy

Display

Characteristic

Dynamic

Range

Performance

Requirement

Supplemental

Accuracy
gain,

calibrating
frequency

isafunction of

resolution

source(i.e.,internal

band
accuraciesofthese
CAL

buttonisactivated

calibrating
the

resolution
ambient

routine,

REF

bandwidths

temperature

LEVEL

calibrationisrun,
can change

+0

.15

The

input

reference

(-20
the

MIN

The

IF

reference
(

-20

80

dB

dBi'C

dBrn

RF

gain

dBm

for

maximum,

{:0

.05

with

RF

attenuator

level
when

ATTEN

increases

level

MIN

linear

Information

RF

attenuation,

bandwidth,

and

display

response.Refer

characteristics.When

the

processor

which,ifcompleted,

error

between

.

Also,ifthe

is

changed

the

REF

LEVEL

dB/'C

some

error

but

may

instrument

steps 10

changes above

MIN

NOISE

is

active)

settingisgreater

for

10

dB

change

NOISE

for

log

below

mode)

mode,

and8divisions

.

mode,

calibrator),

runs

reduces

different

instrument

after
typically

increase

settings

dB

-30

dBm

unless

than

zero

each

10

--30dBm

IF

to

the

a

a

to

.

for

.

dB

Accuracy

RF

Attenuator

Range

Accuracy
"Dcto4

4

GHzto18

IF

Gain

Range

Accuracy

GHz

GHz

±1

.0

dB/1

cumulative
80dBrange

±0.4

d812

cumulative

16dBrange
LIN

mode

Within

0

.3

0.7dB

over

Within0.5

1.4dB

over the60dB

Gain

steps are
direction)
Within0.2

0.5dB/9

clB,

transistions
to

-30

dBm,

to

-50

dBm,

where

an additional

for

a

total

Maximum
range

is

within±2dB

0

dB

to

error

of

dB

to

error

of±1.0dB

is

+5%

of

full

dB/10

dBtoa

the60dB

range

dB/10dBtoa

range

monotonic

with

the

following

dB/dB

of

toamaximum

except

-19

to

-39

to

and

-59

at

-20

-40

0.5dB

of1.0

deviation

dB

over

.

a

+2

.0

a

scale

maximum

maximum

the

dBm,
dBm,

to

-60

can

per

the

maximum

dB

over

maximum

over

(same

limits

decade

-29

-49

dBm

occur,

decade

97

dB

of

of

of

0-60

dBin10dBsteps

87

dB

(MIN
steps

of gain

NOISE

.

increase,10dBofgain

activated),in10

dB

decrease

1

and

dB

:

;

.

2-6

REV

MAR

1984

Table

2-3

(cont)

Specification-4941494P

Operators

Characteristic

Variation

Gain

Resolution

CAL

routine

With
Between anytwofi

Differential
Measurement

Range

Accuracy

Spurious

Residual

referencedtomixer

fundamental

and
bands

between

Bandwidths;(after

has

respectto1

Amplitude

Responses

(no

1-3

.

been

input

run)

MHz

lte

rs

signal),

input,

mixing

filter

for

Performance Requirement

than

Less
Less than0.8

-100

dBm

±0.4dB

dB

or

less

Measured
mode

-%A

mode

0

.25

0dBabove

established

DO
reference

increments

dB

NOT USE

dB

Difference

0
2

10 40

50

Supplemental

at

-20

provides

when

level

.25

differential

.

to48dB

theJAmode

AA

.

Information

dBm

below

mode

Steps

200

MIN

DISTORTION

measurements

the

reference

was

activated

above

1
8 0.4dB

+30

Erro

0

.15

1.0d8
2

.0

in

level

.

dBm

r

dB

dB

Intermodulation

50

kHzto1.8GHz

and1.8
Bands

1

.7-1.8GHz

Harmonic

50

kHz-1.8GHz

1

.7-21

LO

Emission,

attenuation
oReferto"VerificationofTolerance

products

to 21.0GHz

2-4)

(Band2only)

Distortion

GHz

withno(0)

(Band

(Band

1

for

1)

RF

At

least

screen
span

At

-40

span

Typically
signalinMIN

At
Less

Limits"atthe

signals

least

dBm

least

-100

than --70

-70

dBc

-70

signals

-60

dBc

DISTORTION

dBc

beginning

within

dBc

within

dBm

from

from

below

to 21

of this

any

two

any

frequency

any two

any

frequency

full

a

mode

GHz

specification

on

screen

.

=-100
100

MHz

dBc

or

more

when

in

signals

preselected

are

bands

separated

REV

FEB

1985

2-

7































75

Specification-494/494P

Equivalent
Tektronix

maximum

High

Performance

Band/Frequency

Band

150

kHz-1.8GHz
Bands2&
Band

Band
Band

aBand
aBand

aBand
aBand

31

.7-7,1

4

.4-12

5

.0

GHz

412.0-18.0GHz
515

.0-21.0GHz

618

.0--26.5GHz

7

26

.5-40

.0

833

.0-60.0GHz

950

.0-90.0GHz

input

GHz

GHz

Operators

noise

for

Waveguide

each

Mixers

resolution

for

bands

30

-96

-

-106 -103

---

Typically
90

GHz

Table

SENSITIVITY

bandwidth, using

6-12

118-325

Equivalent Input

Hz

100

-121

--121

-

106

-101

.111

106

-95

-103

dBm

2-4

the

-118

-118

-103

GHz)

Hz

internal

.

Noise

mixer

for

bands

in

dBm

versus

1

kHz

-110

10

-100

kHz

-110 -100

--95

-85

1-5

(100

Resolution

100

-90 -80

-90 -80

--75

-98 -90 -80 -70

-93

-108

forikHz

-85

-95

--

100

95

--75

-90

--85

-85

bandwidthat50 GHz,

- 65

-75

degradingto-85 dBm

kHz-18

Bandwidth

kHz

80

GHz),

1

MHz

-65

-60

-55

-70

-65

-65

and

at

aBand

1075

8and

11110-220

0

12170--325

-'Band

nTektronix

.0-140

High

Performance

GHz

GHz

GHz

Waveguide

Mixers

Typically

140

GHz

Typically

-65

dBm

Typically

dBm

--55

-90

-80
at

--70
at

dBm

dBrn

220

dBm

325

for1kHz

for1kHz

GHz

for1kHz

GHz

bandwidthat75 GHz,

resolution

resolution

bandwidthat110

bandwidthat170

degradingto-75 dBm

GHz,

degrading

GHz,

degrading

at

to

to



RF INPUT

Input

Impedance

Maximum

1dBCompression

(minimum)

1

.7-2.0GHz

Otherwise

Optimum
linear

operation

External

Mixer

EXTERNAL

Fr

eque

ncy
Power
Waveshape

Input

Impe

Characteristic

Input

Safe

Point

level

for

REFERENCE

dance

Table

INPUT

SIGNAL

Performance Requirement

-28

dBm

--18

dBm

--25

dBm

1,2,5,

-15

or 10

dBm

CHARACTERISTICS

at

Min

Noise

at

Min

Distortion

MHz,

to

+15

dBm

2-5

+5

ppm

.

Specification-4941494P

Supplemental

N

Type
21GHz

50tt;

50
2

6

18-21

+30

pulse
duty

DO
INPUT

No RF
No RF

No RF

-30
achievedinMIN
not

Input
for

.0to-2

+1

Sinewave,
symmetryis40-60%)

50S2ac,

female

.

vswr

withRFattenuation

kHz-2.5GHz;1.3:1

GHz

.5-6
.0-18

dBm

width1us

factor of0.001

NOT

attenuation
attenuation

attenuation

dBm,

exceeding

foranIF

external

; 1.7:1

.0

GHz;2.3:1

GHz;3.5:1

(1

W)

APPLY

500Qdo

DC

referenced

DISTORTION

full

screen

signal

waveguide

.0V,70Ltsource

ECLorTTL.(Allowable

Information

connector,

(typically

(typically1.5

(typically1.9

(typically

continuous,

or less

withamaximum

(attenuator

VOLTAGE:TO

input

to

display

and

the

mixers.Bias

Operators

specified

710

db

-

1

.2

:1)

:1)

:1)

2.7:1)
75

W

peak,

limit)

.

THE

mixer.This

mode

when

.

sourceofbias

range

.

duty

cycle

to

RF

is

HORIZITRIG

Input

Voltage

Sweep

Trigger

MARKER/VIDEO

ACCESSORY

Pin

1-External

Pin

2-External

Pin

3-External

Pin

5-Chassis

REV NOV

1986

Range

(J104)

Gnd

Video

Sel

e

Preselector
Preselector

ct

Out
Return

1.0V

1

MHz

peak,

frequency15Hz

Dc

coupled

coupled

0to+

deflection

to

Maximum
Maximum

derate

above.Pulse
Video,0to+4V,ifExt

it

Adapter
marker

TTL

+15V

for

V

10

ac

linearlyto3.5Vrms

interfaces

to

internal

on

logic0selects

maximum

input

for

horizontal

trigger s

(dc+peak

input:50V(dc

insertanexternally

ignal

ac)

input

:30Vrms

widthis 0.1usmini

with

the

video.Marker0to--10

the

to

at

Videoisselected;or,

1405

External

drive

for

-+

100

TV

full

10

mum

Video

and

screen

peak

ac)

kHz

then

kHz and

.

Sideband

generated

Input

2-

ac

.

V

9

Specification-4941494P

Operators

OUTPUT

SIGNAL

Table

2-6

CHARACTERISTICS

Calibrator

1stLO

EXTERNAL

VERTical

HORIZ

PEN
10

Out

LIFT

MHz

and

IF

Characteristic

(CAL

OUT)

2nd

LO

MIXER

_-

_

.

Performance Requirement

-20

dBm

t

0

.3

dBat100

(phase
oscillator)

locked

to

MHz

reference

Supplemental

100

MHz

combofmarkers
calibrationat100
frequency

Provides
respective

+7.5dBm
+15

maximum
THESE
50QAT

In

the

is

+1

internal
Provides 0.5V

video
Source

Provides0.5

range
approximately1k12

TTL

Access
approximately

signal at
impedance

and

span

access

local

minimum,

dBm;2nd

PORTS

ALL

EXTERNAL

.0

straps,-1.0to+2.0V

that

impedance

--2.5V

compatible,

to

LO

of+15

MUST

TIMES

to

-2

±5%

is

above

Vldiv

to

+2.5V.Source

nominal

the 10

-5

-30

dBm

approximately

Information

provide

MHz

and

markers

calibration,to1

to

the

output

oscillators

to

-22

dBm

.

BE

.

MIXER

.0V;or,

of

signal

and

below

approximately1kQ

either

.

MHzIF.

dBm

reference

.

a

maximum

dBm

minimum,

TERMINATED

mode,

with

.

per

the

side

of

voltstolift

+5

Output

forafull

level.Nominal

500.

amplitude

for

.0

GHz

of

the

1st

LO

of

to

IN

bias

range

change

division
centerline

center.Full

impedance

.

pen

level

screen

of

of

is

a

.

.

GENERAL_

Table

2-7

CHARACTERISTICS

Specification-494/494P

Operators

IEEE

Std

PROBE

Sweep

Triggering

Crt

Non-volatile

POWER

Sweep

Accuracy

Readout

Characteristic

488-1978

Time

Memory

Port

(GPIB)

494P

Performance

20

us/Div

sequence
AUTO)

-+

.

5%

.

2

division

internal

minimum,

to5s/Div

(10

.

or

;

and

for

Requirement

in

s/Div available

more

of signal

1.0V

external

1-2-5

for

peak,

In

accordance

Tektronix
Version81.1

Provides operating

probes.Output
Pin

1,

+5

Pin3,-15

100

mA

Triggered,

in

Displays

display
range,
internal
GPIB

Instrument

offsets,
each band

powered
+55°C
1-2

than
volatile

-15°C
+85°C

:

mode,

resolution

or

states(494P

and

instrument

years

5

years

memory

to

non-operating

Supplemental

with

codes

voltages

V

100

@

V

100

@

max

.

(see

auto,

manual,

Reference

frequency

bandwidth,

external

settings,

preselector

are

stored

CMOS

.

At

+25°C,

.

Retention

will

+55°C

Information

IEEE

488

and

voltages

are

mA

max.Pin

mA

max.Pin

Figure

and

level,

frequency,

spanldiv,

frequency

onl

y)

displays,

peaking

in

RAM

.

Battery

ambient

life

should

of

occur

over

operating,

.

standard,

format

:

RIF attenuation,

back-up

temperature,

standard

for

2,

ground

4,

2

'-1)

external

reference,

data

vertical

frequency

calibration

codes

battery

life

be

greater

in

the

range

and

-30

.

active

+15V

non-

and

.

and

for

is

of
to

Specification-4941494P

Operators

PowER.The

PROBE
panelofthis

probe

systems.Itisnot

used

as a

power

probes

or

with

this

use

instrument

other

source

PROBE

sourcetor

accessories

.

POWER

provides

recommended

applications

which

connector

operating

that
other

are

specifically

power

these

than

on

the

for active

connectors
the

compatible

designed

rear

be

for

2726-21

inputVoltage
Power

Power

Leakage

powertothis

If
turn

the

Figure

Characteristic

Current

instrumentisinterrupted,itmaybenecessary

POWER

switch

for5seconds

OFF

then

ENVIRONMENTAL

2-1.Probe

POWER

backON.

power

Table

2-8

REQUIREMENTS

to132

90

115

At
5

mA

NOTE

re-initialize

to

Table

2-9

CHARACTERISTICS

connector

.

Vacor180to250

V,60Hz;210

maximum

the

Description

Vac,48to440

watts

maximum,3.2

microcomputer

;

Hz

amperes

when

powerisrestored,

.

.

MIL

Meets

Temperature

Operating

Non-operating

T-28800C,

and

Humidity

type

111

class3,style

Characteristic

specifications,

C

comprisedofthe following

Description

-10to+55°C195%

mentistested

-62

to

+85°C

and

.

(+5%,

meets

:

-15

-0%)
to

-*-55°C)

relative

humidity

(Instru-

.





After

storage

instrumenttowarm

the
then

backOn.

Altitude

Operating

Non-operating
Hu
Vibration

(Non-operating)

midity

Operating

platform

at

temperatures

(instrument

during

test)

Characteristic

below

for15minutes

up

securedtoa

the

operating

and

vibration

Table

2-9

I

NOTE

range,

the

re-initialize

the

(cont)

microcomputer

microcomputer

15,000

40,000

Five

MIL-Std-810,Method
searches

quency
nances

frequency,or55
minimum.Total

feet
feet

cycles

varied
must

(120

along

all

from

be

minimum/axis

vibration

Specification-4941494P

Description

may

by

hours)inaccordance

three

Hzifno

initialize

not

turning

514

ProcedureX(modified).Resonant

axisat0.020

5-55

Hz

resonanceisfound

time

on power-up.!f

the

POWER

for15minutes.All

plus

about75minutes

Off

for5seconds

with

Mil-Std-810

inch

displacement,

dwellatthe

for10minutes

Operators

so,

major

resonant

.

allow

fre-

reso-

Shock

(operating

Transit

Electromagnetic

drop

Conducted

Conducted

Radiated

(free

Emissions

and

non-operating)

fall)

Interference

Emissions

Susceptibility

(EMI)

Three

shocks

tion

along

shocks
8

is
Meets

as

CE01-60
CE03-15

power
CS01-30

power
CS02--50

400
CS06-spike

leads
RE01-30

magnetic

.

inch,

one

tested

requirements

noted

leads

leads

MHz

.

Test

of30g,

each

per

and

meets

Method

Hzto15
kHzto50

.

Hzto50

.

kHz

power

Hzto50

field

.

one-half

major

axis

eachofsix

drop

describedinMil-Std-461BPart4,except

kHz

MHz

kHz

to

leads

.

power

kHz

sine,11ms

Guillotine-type

.

faces

and

height

of 12

Remarks

1

kHzto15

.

kHzto50

15
15dB.

limits

Full

Full limits

Full limits

Relaxed
fundamental

power
Exceptioned, 30

duration

shocks.Totalof18

eight

corners.(Instrument

inches

.)

kHz

only

kHz, relaxed by

.

.

.

by 10

dB

10th

to

line

.

kHzto36

each

.

for

harmonic

direc-

of

kHz

.

Radiated

Susceptibility

RE02-14
10

GHz

RS01-30
RS02-Magnetic

Induction
RS03-14

kHz

.

Hzto50

kHz

to

kHz

to10GHz

.

Full

limit

Full

limit

A

To 5

Upto1

.

.

only

GHz

2-13

Specification-4941494P

Operators

PHYSICAL

Table

2-1D

CHARACTERISTICS

Weight

(standard

manuals)
Dimensions

Withoutfrontcover,

With

front

cover,

Characteristic

accessories

handle,or f

feet,

and

and

cover,

except

eet

handle 9

52 pounds

6

.9X12.87X19
.15

folded

fully

(24 kg)

X

15

.05X23.1inches

back over

extended

maximum

.65

inches

the

instrument,

Description

(175

X

327X499

(232 X

382X587

28

.85

inches

millime

ter

millimeters)

(732.8mm)

s)

with

with

the

the

handle

handled

c

33

.02

38.1cm(15in.)

cm

113.0in)

-4

--r-{

Figure

2-2.Dimensions

57.6cm

.

(23in.)

2726

10B

494/494P

SAFETY

STANDARD

AND

Table

2-11

REGULATORY

REQUIREMENT

Specification-494/494P

CONFORMANCE

Operators

Safety

Regulatory

CSA

FM

ANSI

VDE

Standards

IEC

0871

C39

.5

(2nd

348

Requirement

Class

Subject

edition)

B

Electrical
Electrical

Safety
and

Safety

Regulations
and

Bulletin
Utilization

Requirements

Controlling

Requirements

Installations

Standard

for

Instrumentation

for

for

RFI

Suppression

Description

Class

3820

Electrical

ElectronicMeasuring

and

of High

Electronic

Apparatus

Frequency

Measuring

;

Apparatus

Section

3-494I494P

Operators

INSTALLATION

Introduction

This

section
quirements, repackaging,
494/494P

Unpacking

Before

tainer

or

carton
contains

Refertothe
Operators

Replacement

thereismechanical
does
local

container

Inc

electrically
damage

Procedurestocheck
areinthe

check
erly.This
receivingorincoming

formance
providesacheckofall
as

is

If

the contentsofthe

not

Tektronix

.

The

instrument

procedure

listedinthe

describes

Spectrum

and

Initial

unpacking

carton,

the basic

meet

and

inspect

damaged,

instrument

Standard

manualorthe

listinginVolume

operational

Field

is

damaged,

before

check

verification

shipment.It

meet

Operation

verifies

should

Specification

Analyzer

the

notify

damage

Office or

notify

was

or

functional

inspections.A

procedure,inthe

specified

unpacking,

and

.

Inspection

494I494P

for

signsofexternal

the

and

Accessories

list

following

2 of

shipping container

or

check

representative.If

the

inspected

should be

exceed

section.Performing

the instrumentisoperating

satisfy

section

installation,

storage

carrier.The

defect,orif

requirements,

carrier

all
or

the

performance

information

from

its

its

standard accessories

listinSection1of

the

Mechanical

the

Service

are

as

wellasTektronix,

both

mechanically

freeofmechanical

electrical

operational

requirements

detailed

Service

.

shipping

damage.If

shipping

incomplete,

the

specifications

performance

the

electrical

requirements,

AND

FOR

power

re-

for

the

con-

the

carton

the

Parts

Instructions

if

instrument

contact your

the

shipping

and

functional

prop-

for

most

per-

instructions,

USE

ing

or

first

pullingupandinon

on the
unlatched

lifting

The
anglestoserve as a
top

rearofthe

panel,
dle,

.

.

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pressinat

desired

Removing
can

moved

Installation

sionsofthe
tion

manual.Refer

If

the

and

panels

unlessitis

damaging

mounted

PREPARATION

transporting

cover.The

and

the

cover

handle of the

so instruments

position

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hazardous.The

by

rackmount

tippedupto

of the

the

instrument.The

the

doortothe

opened

.

both

or

qualified

instructions

instrument

held.Use

the

above

by

pressing the

494I494P
tilt

stand,

instrument

canbestacked.To

pivot

points

.

replacing

installationtoqualified

cabinet,

front

the

the

service

for

are

described

versionisextended
gain

access

it

care

panelorequipment

494/494P

two

release

accessories

can

oritcanbepositionedatthe

between

and

cabinetonthe

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personnel

rack

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to

can

fall

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latches,

latchtothe

positionedatseveral

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rotate the

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mount/benchtop

in

the Service

the

bottom

back
doing

then

compartment

side

feet

and

the

position

service

outofthe rack

into

thistoa

handle

instrument

only

be

personnel

or

the rack

may

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the

back

by

pull

up

is

and

rear

han-

to the

re-

ver-

Instruc-

void

be

.

The

494I494P

air

flowinthe

Feet

on
instrument
air

in

through the

locating
might

venient
mixers

the instrument

block

The

front

placetostore

.

Use

the

canbeinstalledinany

four

is

stacked

the

panel

the

bottom

air

corners

bottom

intake

cover

cover

and

with

where

accessories
to

position that

out the

allow

other

and

.

providesadust-tight

protect

rear of

ample

instruments.A

paper,

the

air

plastic,

and

front

expels

the instrument

clearance

out

the

external

panel

evenifthe

fan

back.Avoid

like

or

seal

and
waveguide
when

allows

draws

material

con-

stor-

Power

.

power
tors

power
isolatedorabove

on
volt

since
tion
frontofthis

Source

The

494I494Pisdesigned

source

(neutral)atground

sources

a multi-phase

single-please,

only

within

and

that

where

the

line

the

unit.Refertothe

manual

Power

oneofits

has

both

ground

system

three-wire

conductor

.

Requirements

to

operate

(earth) potential

current-carrying

potential

or

across

system)

has

from

current-carrying

(such as

the

legsofa

is

not

over-current

Safety

a single-phase

conduc-

.

Operating

conductors

phase-to-phase

110-220

recommended,

(fuse)

protec-

Summary

at

from

are

the



Installation

The

with

the

ment
is

connectedtoany

connectedtoan

be

The

230

Vac

180to250

ments
power

service
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Power

in

Figure 3-1

Repackaging

When

vice

Center

and

Preparation

ac

power

connectorisa

ground

frametoprovide

494/494P

nominal

are

input

personnel.Instructions

(earth)

lead

electrical

other

earth

canbeoperated

line

voltage

.

Refer

Shipment

440

back-panel

Vac,

at48to

printedona

jack

cord

configurations

for

the

494/494Pistobeshippedtoa

for

serviceorrepair,

for

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three-wire

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power

ground

witharangeof90to132

Hz.Power

power

Service

for

directlytothe

shock

protection.If

source,

.

from

plate

input

changes

for

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Instruction

the

instrument

attachatag

the

unit

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mounted

Operators

polarized

the

frame

115

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below

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qualified

input

voltage

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Tektronix

showing

plug

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unit

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or
or

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Ser-

:

owner

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contacted,

the

service

not

available,

1.Obtain

dimensions
ment

dimensions,toallow

instrument

2

.

Install

with

polyethylene

3.Cushion

terial

or

the

instrument

4.Seal with shipping

complete

required.If

repackage

a

that

weights

the

urethane

.

carton

areatleast

the

name

of

individualatyour

serial

number,

the

original

the

corrugated

of

and

the

front

cover

sheetingtoprotect

equipment

between

foam

tapeorindustrial

packageisunfit

equipment

six

inches

for

cushioning.Table

carton

and

on

all

the

andadescription

as

follows

cardboard

more

than the

strength

surround the

sides

carton

the

finish

requirements

with

and

stapler

firm that

for

:

having

3-1

instrument

.

packing

the

sides

.

can

use

or

inside

equip-

lists

.

ma-

of

of

Power

Cord

North

American

120V/1

Australian

240V/1

Option

5A

A3

OA

Number

Figure

.

International

3-1

Universal

North

power

220V/1

American

240V/1

cord

configuration

A1

Euro

3A

A4

5A

(Option

A1-A5)

for

4941494P

240V/1

250V/6A

.

A2

UK

3A

A5

Swiss

as18-17

3-2





and

SHIPPING

Gros

s

Weight

Table

CARTON

3-1

TEST

STRENGTH

Carton

Test

Strength

Installation

environment

in

an

mental

specifications

Preparation

that

.

meets

for

Use-4941494P

the non-operating

Operators

environ-

Pounds

0-10

10-30
30-120
120-140

140-160

Storage

Short

storage

Term-There

(less

than

Kilograms

0-3.73

3

.73-11

.19

11

.19-44

.76

44

.76-52

.22

52

.22-59

.68

arenorequirements

90

days)

other than store the instrument

Pounds

200
275

375 140
500 186

600

for

Kilograms

74

.6

102

.5
.0

.5

223

.8

short

term

Term-I

Long

days,

require

with

have

retain

batteryinthe instrument

dessicant

any

than

90

instrument.The

not

does
por

bag

the

environmental

If

you

Field

Officeorrepresentative

¬

plantostore

you

the

shipping

removal.Package

and

storeina

non-operating

questions,

contact

.

the

instrument

containertorepackage

is

the

instrumentina

location that

specifications

your

Iethium,

.

local

Tektronix

for

more

the

which

va-

meets

Section

4-494P

Operators

CONTROLS,

Introduction

This

section

tors,

indicators,

4-1
connectors.Thisisfollowed
checkoutofthe
the

whereinamessage
tion

lectorsorbuttonsonthe
wellasprimary

tered

modesorselect
are
Analyzers,

for

4-2

and

control

The

4941494P

of

any

nomenclature)

identicaltothe

analyzers

describes

and

show

instrument

functions

selected

function,

functional

thus

the

in

this

connectors

and

identify

.

featuresahelp

will

come

controlorpushbutton.Many

front

the

pushbuttons

controls
basic

family

the

functionofthe

for

these

(in

Section

and

some

mode

on

screen

panel

In

their

primary

parameters

on

the

operational

.

CONNECTORS,

INDICATORS

controls,

the

4941494P.Figures

controls,

performasecondary

set

.

492 and

procedureisthe

selectors,

5)byan

basic

applications

(press

HELP

describing

mode

either

Most

primary

496

operational

button)

the

of

the

(black

operational

modes

Spectrum

selec-

and

func-

se-

as

let-

same

of

When

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shift

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In

addition,

selected
tion

.

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tion

(black

nectors;then the
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display
included

is

pressing

function

following

lettering)ofthese

some

mode

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sequence

implemented

the

and

return

instructions

second,orshift

casesarun-down

parameter

is

<SHIFT>

the

first

from the

AND

completed

and

the

instrumenttonormal

describe

selectors,

function

shift

button

Data

the

mode

will

the

controls,

(blue

on

how

Entry

4418-30

entered

cancelled

cancel

primary

and

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to

enter

keyboard

func-

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the

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if

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In

their

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ture)

the

pushbuttons

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add
the

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Shift

two
blue

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These
the

board
corrected.In

through

data

keyboard

numerical

entry

with

or

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Messages

Functions

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buttons

used

keyboard.A

lettered

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to

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the

area,

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some

is

activate

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the

parameter

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valuestothe

a

multiplier

or

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are displayed

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the

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pushbuttons,

or

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add

numerical data

orange

used

addition

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to

.

lettered

back

a

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mode

alternate functions

.

Buttons

lettered

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factor

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nomenclature)

MHz,

Pushbuttons

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button,

space

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lettered

parameterorterminate

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to

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pressing

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to

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screen

nomencla­or

within

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more

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parameter

buttons

outside

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add

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than

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that

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agnostics,
manual.A

at

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diagrams

Instrument

POWER-This

power

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the

supply onoroff.When

instrument

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set-up

switched

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mixer

from

The

internal

instrument

front

panel

pushbuttons

nomenclated.These

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their shift

listingofthese

explain

Power

RECALL

can

in

when powerisswitched

overload

reference

powerisoff-thereisno

with

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un-nomenclated

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.

are

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their

operation

Control

push-push

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be

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SETTINGS/STORE

recalled.FullRFattenuation

and

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oscillatorisnot

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pushbutton

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as troubleshooting

some

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switch,

powerisswitched

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explanation.If

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of

turns the

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description)

off

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standby

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pertain

the

descrip-

off,

protect

up

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di-

service

main

the

so

is

the

when

.

REV

MAY

1984

Controls,

Connectors,

and

Indicators--4941494P

Operators

r

1

NPA

Crt

Controls

INTENSITY-adjusts

readout
controlled

READOUT-When

(illuminated),

The

positiononthe
the

trace

prompt
functions

GRAT
(illuminated),

to

bright.Graticule

photographing
illuminated)

foralow

and

.

crt

parameter

brightness.This

messages

.

ILLUM-When

the

position

light

environment

7l

Lai

Figure

the

brightnessofthe

text.Beam

this

focus

button

readoutofcontrol

readoutislocated

crt

bezel

.

Brightnessisproportional

button

activated

graticule

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illuminationisusually

displays.The dim

provides

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does

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illumination

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selectors,

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on

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controls,

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selected

activated

READY

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494P

and

or

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connectors

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of

by

pushbuttons
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light

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This

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frequency

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the

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four

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this

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all

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illuminate

pushbutton

for

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regard

trigger

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if

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the

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4-2

BASELINE

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observe

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the

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selected,

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this

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line

voltage

other

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single

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activated,

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is

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sweep

the

left

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cancelled,

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sweep

of

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including

sample

trigger

LINE

MAH

1984

is

the

or

of

the

is

Controls,

Connectors,

and

Indicators-4941494iP

Operators

SINGLE
single
aborted.When

is
sweep

Selecting
Triggering
be

corrected on a

Any

will

The

0

armed
the

EXT-When
triggeredbysignals
to

50Vpeak

the

rear-panel

When

cancelled,

SWEEP-When

sweep

armed

and

will

triggered,

trigger

be ignored

READY

and

sweep

this

(maximum)

HORIZ/TRIG

EXT

run

SINGLE

mode

signal

ready

ends

selected,

is

including

is

activated

pressed

the

oscillator

only

While

.

the frequenciesofthe

regular

received

.

indicator

foratrigger

.

buttonispushed,

between1.0Vpeak

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the

single

sweep

this

buttonisfirst

the

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afteritreceivesatrigger

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lights

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basistomaintain

duringacorrection

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signal.It

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other

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circuit

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applied

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connector

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sweep

trigger

change

waiting

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oscillators

accuracy

sweep

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are

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circuit

signal

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cycle,

circuit

lit

until

to

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the

rear-panel

to
voltage

horizontal

.

.

.

a

(endofsweep

MNL
the
previously described,

control

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(X)

periodic

basis

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spectrum

.

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Oscillator

axis

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when

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display

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.

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sweep

sweep

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sweep

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calibrated

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the

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rate

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Display

input)-With

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BANDWIDTH,

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42

ELECTRICAL

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CHARACTERISTICS

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52

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